Gemstone



FIG. 1 is a side view of the front, left, back and right views of a gemstone according to the present invention.

FIG. 2 is a top plan view of the gemstone shown in FIG. 1; and,

FIG. 3 is a bottom plan view of the gemstone shown in FIG. 1. 

I claim the ornamental design for a gemstone, as shown and described. 